package it.txt.ens.namespace.osgi.test;
/***************************************************************************
 * Copyright 2012-2013 TXT e-solutions SpA
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * 
 * This work was performed within the IoT_at_Work Project
 * and partially funded by the European Commission's
 * 7th Framework Programme under the contract ICT-257367.
 *
 * Authors:
 *      Salvatore Piccione (TXT e-solutions SpA)
 *
 * Contributors:
 *        Domenico Rotondi (TXT e-solutions SpA)
 **************************************************************************/


import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.util.Dictionary;
import java.util.Hashtable;
import java.util.Iterator;
import java.util.Map.Entry;
import java.util.Properties;
import java.util.Set;

/**
 * @author Salvatore Piccione (TXT e-solutions SpA - salvatore.piccione AT txtgroup.com)
 * @author Domenico Rotondi (TXT e-solutions SpA - domenico.rotondi AT txtgroup.com)
 *
 */
public class Utils {

    public static Dictionary<String,Object> loadConfiguration (String filePath) throws IOException {
        File file = new File(filePath);
        FileInputStream stream = new FileInputStream(file);
        Properties p = new Properties();
        try {
            p.load(stream);
        } finally {
            if (stream != null)
                stream.close();
        }
        
        Dictionary<String, Object> config = new Hashtable<String, Object>(p.size());
        Set<Entry<Object,Object>> entries = p.entrySet();
        Iterator<Entry<Object,Object>> iterator = entries.iterator();
        Entry<Object,Object> entry;
        while (iterator.hasNext()) {
            entry = iterator.next();
            config.put((String) entry.getKey(), entry.getValue());
        }
        return config;
    }
}
